1. The ND filters provide experienced users with precise control over shutter speed, allowing them to produce smooth footage in bright environments with lower shutter speeds. 2. Flexible use of this set can ensure clean footage, even when the shutter opens to 180 degrees with a low ISO. （Shutter opening angle is a common way of describing the shutter speed relative to the frame rate. If the camera is recording at 24fps with the shutter open at 180 degrees, the exposure time is 1/48 s.） 3. Weight (single lens): 0.34g 4. Compatibility: DJI Flip
